5306-01-014-6976, BOLT,INTERNALLY RELIEVED BODY

5306-01-014-6975 BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-014-6976

Federal Supply Class:
5306

National Item Identification Number:
010146976

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.

Manufacturer Information:

1292238-103	36659	LOCKHEED MARTIN CORP LOCKHEED MARTIN AERONAUTICAL SYSTEMS BURBANK OPNS
1292238-103	98897	LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.572 INCHES NOMINAL
FASTENER LENGTH	2.447 INCHES NOMINAL
MATERIAL	STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS C FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	180000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER	0.341 INCHES NOMINAL
HEAD HEIGHT	0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.060 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.318 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES NOMINAL FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	36659
DESIGN CONTROL REFERENCE	1292238-103

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